做为GARMIN划时代新产品GNS 430的另一分支产品，GPS 400独具特点。
　　GPS 400把GPS接收机与全彩色移动地图有机结合为一体。内置全球背景地图，4英寸大屏幕显示，在飞行的过程中可以清楚地显示城市、公路、铁路、河流、湖泊、海岸线。高对比度的显示屏幕使您清晰地读取飞行参数。
GPS 400使用简单、方便操作、用户介面友好。

GPS性能
接 收 机：并行12通道，可以同时跟踪12颗卫星
定位时间：12秒（热启动）
　　　　　45秒（冷启动）
数据更新率：1次/秒，连续更新
定位精度：单机定位精度---15米（RMS）
　　　　　差分校正精度---1--5米
　　　　　速度---0.1节（RMS）
动态性能：速度（最大）999节
　　　　　加速度（最大）6g
导航特性：用户对飞行计划进行选择、航路点保持，最近进场点，起飞和降落频率，利用导航数据卡上的接近规程进行进场导航、终点导航和标准仪表起飞/标准最后到达航路
飞行计划特性：真空速，包括气压和空气总体温度的密度高度，高空风的实际方向及速度，有效的接收机自主完善性监测（RAIM），日出/日落时间，飞行/燃料计划，垂直导航（VNAV）
接 口： ARINC 429、航空RS-232、CDI/HIS、RMI（数字化：时钟/数据）， Superflag输出，高度 （串行，lcarus,Shadin-Rosetta，编码后的Gillham/Greycode），燃料传感器，燃料/空气数据
坐 标 系：124个坐标系，也可用户自定义

安全性能
紧急状态搜索： 9个最近机场、VORS、NDBS、空域交界或用户自定义航路点，2个最近的FSS和ARTCC频率值。
报 警： 到达前10分钟报警，CDI航程偏差超过2海里报警，内部空域报警

个性特征
航 路 点：1000个用户自定义航路点
飞行计划：包含31个航路点的20条可逆航路

物理特性
尺 寸：宽：6.25英寸 高：2.65英寸 深：11.00英寸
重 量：4.9磅
显 示：4英寸彩色LCD
电 源：11-33VDC
数据存贮：包含用于保贮数据的内部电池，可用寿命5年

环境条件
温 度：-20℃-+55℃（工作条件下）
　　　-20℃-+70℃（短时间工作）
湿 度：95%非结霜
高度范围：-1500英尺-50000英尺

　

Specifications

Plotter/Moving Map Features

Download PDF Specs *Requires Adobe Reader 4.0+ Basemap: Worldwide Land; includes state/country boundaries, lakes, rivers, railroads, cities, coastlines; U.S., state, and interstate highways, and local thoroughfares Plotting Scales: 1/10 to 3000 nm with push-button zoom control

Jeppesen® Database

Coverage: Americas, International or Worldwide Airports: Identifier, city/state, country, facility name, lat/lon, elevation, fuel service, control, approach information VORs: Identifier, city/state, country, facility name, lat/lon, frequency, co-located DME/TACAN, magnetic variation, weather broadcast indication NDBs: Identifier, city/state, country, facility name, lat/lon, frequency, weather broadcast indication Intersections: Identifier, country, lat/lon, nearest VOR Frequencies: Approach, arrival, control area, departure, Class B, Class C, TMA, TRSA (with sector, altitude, and text usage info), ASOS, ATIS, AWOS, center, clearance delivery, tower, ground, unicom, pre-taxi, localizer, and ILS Runways: Designation, length, width, surface, lighting, pilot-controlled lighting frequency FSS: Identifier, reference VOR, frequency, usage ARTCC: Identifier, frequency, usage MSA: Minimum safe altitude along and in proximity to active flight plan Approaches: Non-precision and precision approaches throughout the database coverage DPs/STARs: Contains all pilot/nav DPs/STARs Airspaces: Class B & C with sectors; International CTA & TMA with sectors; all SUAs, including MOAs; prohibited and restricted areas with controlling agency and airport

Safety Features

Emergency Search: 9 nearest airports, VORs, NDBs, intersections, or user waypoints; 5 nearest FSS and ARTCC frequencies Alarms: Arrival; timers; airspace alarms at 10 minutes, 2nm, and inside SUA

User Customization

Waypoints: 1,000 User Defined Flight Plans: 20 reversible routes of up to 31 waypoints each

Certification

GPS: TSO C129a, Class A1 (en route, terminal, and approach) Oceanic Approval: Fault Detection and Exclusion (FDE)

Performance

Receiver: PhaseTrac12™, twelve parallel channel receiver, simultaneously tracks and uses up to 12 satellites Acquisition Time: 12 seconds (warm), 45 seconds (cold) Update Rate: Once per second, continuous Accuracy: Position: 15 meters (49 feet) RMS* Velocity: 0.1 knot RMS steady state Dynamics: Velocity(max): 999 knots Acceleration (max): 6g's Nav Features: Pilot-defined course selection and waypoint hold, closest point of approach, departure and arrival frequencies, approach navigation using published approach procedures stored on NavData card, terminal navigation using DPs/STARs from NavData card Planning Features: True airspeed, density altitude, winds aloft, RAIM availability, sunrise/sunset times, trip and fuel planning, vertical navigation (VNAV) Interfaces: ARINC 429, aviation RS-232, CDI/HSI, RMI (digital: clock/data); superflag out, altitude (serial: Icarus, Shadin-Rosetta, encoded Gillham/Greycode), fuel sensor, fuel/air data, BFG WX 500 StormScope™, BFG SKY 497 SkyWatch™ and Ryan 9900B TCAD Map Datums: 124 and 1 user-defined Frequency Display: Upper left corner of active matrix LCD, 2-lines with active frequency above standby

Physical

Unit Size: Width = 6.25"; Height = 2.65"; Depth = 11.00" behind panel, with connectors Unit Weight: 4.9 pounds installed (400); 5.8 pounds installed (420) Display: Color LCD Power: 11-33 VDC; 28 VDC (420 "A") Data Storage: Separate internal battery protects stored data for up to five years

Enviromental

Temperature: -20°C to +55°C (operating range); -20°C to +70°C (short-term operation) Humidity: 95% non-condensing Altitude Range: -1,500 ft to 50,000 ft